Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 93 · 40 questions

Remember (Find the topic, use the idea): Read the question and find its topic: hardware or software, units, memory, files, or editing text. Use that lesson’s idea — can you touch it, multiply to change units, RAM forgets, which file action, which shortcut. For unit sums, write the rule first (1 byte = 8 bits, 1 KB = 1024 bytes) and then multiply.

1. 1.True or false: RAM loses data when off. (a) False (b) True
2. 2.💡 What is the smallest unit of computer memory? (a) KB (b) GB (c) byte (d) bit
3. 3.Which of these is software? (a) a monitor (b) a keyboard (c) a pen drive (d) a typing tutor
4. 4.🔢 A bit can be only 0 or ___. (a) 2 (b) 1 (c) 9 (d) 5
5. 5.True or false: Ctrl+A is the shortcut to select all. (a) True (b) False
6. 6.True or false: Ctrl+C is the shortcut to select all. (a) True (b) False
7. 7.True or false: a printer is hardware. (a) True (b) False
8. 8.💾 How many GB are there in 1 TB?
9. 9.Which of these is hardware? (a) a calculator app (b) a word processor (c) a hard disk (d) a typing tutor
10. 10.📷 A camera keeps its photos on a small ___. (a) speaker (b) memory card (c) keyboard (d) mouse pad
11. 11.💾 How many bytes are there in 3 KB?
12. 12.↩️ You pressed Undo by mistake. Which command puts the change back? (a) Delete (b) Cut (c) Copy (d) Redo
13. 13.What does it mean to rename a file? (a) change its name (b) throw it away (c) see what is inside (d) keep your work for later
14. 14.True or false: to open a file means to put it in another place. (a) True (b) False
15. 15.🔍 Which is the odd one out? (a) a calculator app (b) a monitor (c) a webcam (d) a scanner
16. 16.📁 What do we call a folder inside another folder? (a) a printer (b) an icon (c) a big file (d) a subfolder
17. 17.Which of these is hardware? (a) a web browser (b) a calculator app (c) a word processor (d) a monitor
18. 18.💾 Which is bigger: 1 byte or 1 bit? (a) 1 byte (b) 1 bit
19. 19.⌨️ In a word processor, what does Ctrl+X do? (a) cut (b) redo (c) copy (d) paste
20. 20.True or false: a printer is an output device. (a) False (b) True
21. 21.True or false: a web browser is software. (a) True (b) False
22. 22.💾 How many MB are there in 2 GB?
23. 23.🔍 Which is the odd one out? (a) hard disk (b) keyboard (c) memory card (d) pen drive
24. 24.💾 Which is smaller: 1 MB or 1 GB? (a) 1 GB (b) 1 MB
25. 25.Which of these is hardware? (a) a speaker (b) a web browser (c) a computer game (d) a calculator app
26. 26.True or false: to save a file means to give it a new name. (a) False (b) True
27. 27.Which shortcut do we press to undo? (a) Ctrl+X (b) Ctrl+S (c) Ctrl+Y (d) Ctrl+Z
28. 28.💾 Which is bigger: 1 GB or 1 byte? (a) 1 byte (b) 1 GB
29. 29.💾 Which is bigger: 1 byte or 1 GB? (a) 1 byte (b) 1 GB
30. 30.💾 Which is smaller: 1 GB or 1 bit? (a) 1 GB (b) 1 bit
31. 31.✋ Which can we touch: hardware or software? (a) software (b) hardware
32. 32.⌨️ In a word processor, what does Ctrl+Z do? (a) select all (b) print (c) undo (d) save
33. 33.True or false: Ctrl+C is the shortcut to copy. (a) False (b) True
34. 34.📁 Which word means to “make an exact twin” (for a file or folder)? (a) delete (b) copy (c) move (d) save
35. 35.What does it mean to open a file? (a) change its name (b) throw it away (c) see what is inside (d) make an exact twin
36. 36.Which of these is true of RAM? (a) keeps your saved files (b) keeps data when off (c) is permanent storage (d) holds apps that are open
37. 37.📄 A file name ends in .mkv. What is it most likely? (a) a sound (b) a picture (c) a video (d) a document
38. 38.True or false: a memory card is an output device. (a) True (b) False
39. 39.✂️ You want to move a sentence to the end. What do you use first? (a) Print (b) Undo (c) Delete (d) Cut
40. 40.⌨️ In a word processor, what does Ctrl+Y do? (a) save (b) undo (c) print (d) redo

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